GURPSよろず

Talent
see pp. B89-91

Perhaps the strongest way to support hedge magicians is with a Talent that works like Magery or Power Investiture – but only for learning IQ/A spells. This must cost less than the 10 points/level typical of spellcasting talents to be attractive.
A suggestion:

Hedge Magician: Gives +1 per level with all IQ/A spells, effectively raising IQ for the purpose of those spells only.
Like all Talents, this one reduces the time (never point cost!) required to learn what it covers by 10% per level. Instead of a reaction bonus, it provides an “alternative benefit” (see GURPS Power-Ups 3: Talents): Roll against Per-4, +1/level of Hedge Magician, to notice magic items. 5 points/level.

Thus, Magery 0 [5] gives no bonus to spells and a Per roll to spot magic, while for the same points, Hedge Magician 1 [5] gives +1 to IQ/A spells and a Per-3 roll. Magery 1 [15] gives +1 to all spells and a Per+1 roll, while Hedge Magician 3 [15] gives +3 to IQ/A spells and a Per-1 roll. All in all, it seems fair.

Such a Talent really comes into its own alongside some of this chapter’s other ideas. If learning full-spectrum magic means spending 5+ points on Languages, Rank, etc., then someone happy with trivial spells can spend those points here to cast at +1 or more instead.

How many levels are good? Normally, Talents stop at four levels. As Power-Ups 3 explains, this is arbitrary. For instance, to keep hedge magicians competitive, the GM may decide that if mages can attain Magery 3 [35], hedge magicians can spend just as much: Hedge Magician 7 [35]. Cap learning speed at \2, though; e.g., Hedge Magician 7 gives +7 to IQ/A spells and a Per+3 roll to sense magic, but -50% (not -70%) learning time.

What happens if someone has Hedge Magician and Magery? Mostly, they stack. Add both advantage levels to IQ when learning IQ/A spells, but only Magery for harder ones.
When sensing magic, it’s simplest to add both to Per, too.
Thus, someone with Magery 1 [15] and Hedge Magician 3 [15] learns most spells at +1 to IQ, learns IQ/A spells at +4, and senses magic at Per+4.

Would this Talent would work better as Magery with a limitation – say, Hedge Magic Only, -50%? That’s a worldbuilding decision. Making Hedge Magician fundamentally mundane – not a magical gift, however limited – jibes better with “spells anybody can learn.” It means hedge magicians aren’t perforce mages, and distinguishes the groups in the milieu as well as mechanically.

• 魔法、第4版呪文一覧、原書呪文一覧
• ルールブック『魔法大全』
  • 第1章「魔法の法則」、第2章「魔法の品物」、第3章〜第26章「各呪文系統参照」、第27章「さまざまな魔法」、第28章「錬金術」
  • 魔法に関する用語、呪文クラス、呪文系統、魔法用語の読み替え、名称重複系呪文、呪文の小分類、四大精霊系呪文
  • 呪文の解説：これは呪文データの項目用語の解説です。
• 他ルールブック
  • 『GURPS Thaumatology』
  • 『GURPS Thaumatology: Magical Styles』
  • 『GURPS Magical Styles: Dungeon Magic』
  • 『GURPS Magical Styles: Horror Magic』
  • 『GURPS Magic: The Least of Spells』
    • 簡単呪文（trivial spell）
    • 簡単術師（Hedge Magician）
    • 簡単魔法（hedge magic）
    • 〈専門技能/民間魔法〉（Expert Skill（Folk Magic））
    • 〈礼儀作法/民間賢者〉（Savoir-Faire（Wise Folk））
• 魔法系特典
• 奥義魔法（ルールブック『Pyramid 3/76: Dungeon Fantasy IV』より）
  • 奥義呪文、上級奥義呪文
  • 奥義呪文のオプション